help appleU3 WARNING

hi my first post--love my mac!!

i've an imac g5 2.1ghz 20" factory ram 3 weeks old

help--what does this mean

Mar 11 20:21:58 localhost kernel[0]: standard timeslicing quantum is 10000 us
Mar 11 20:21:58 localhost kernel[0]: vm_page_bootstrap: 122599 free pages
Mar 11 20:21:58 localhost kernel[0]: mig_table_max_displ = 70
Mar 11 20:21:56 localhost mDNSResponder-107 (Aug 21 2005 23: 47:50)[67]: starting
Mar 11 20:21:58 localhost kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
Mar 11 20:21:56 localhost DirectoryService[64]: Launched version 2.0.1 (v350)
Mar 11 20:21:58 localhost kernel[0]: The Regents of the University of California. All rights reserved.
Mar 11 20:21:58 localhost kernel[0]: using 1310 buffer headers and 1310 cluster IO buffer headers

Mar 11 20:21:58 localhost kernel[0]: AppleU3: WARNING: platform-chip-fault expected, but not found

Mar 11 20:21:58 localhost kernel[0]: DART enabled
Mar 11 20:21:58 localhost kernel[0]: AppleKauaiATA shasta-ata features enabled
Mar 11 20:21:57 localhost lookupd[65]: lookupd (version 365) starting - Sat Mar 11 20:21:57 2006
Mar 11 20:21:58 localhost kernel[0]: FireWire (OHCI) Apple ID 52 built-in now active, GUID 001451ff fe97d20e; max speed s400.
Mar 11 20:21:58 localhost kernel[0]: CSRHIDTransitionDriver::probe
Mar 11 20:21:58 localhost kernel[0]: CSRHIDTransitionDriver::start before command
Mar 11 20:21:58 localhost kernel[0]: Security auditing service present
Mar 11 20:21:58 localhost kernel[0]: BSM auditing present
Mar 11 20:21:58 localhost kernel[0]: disabled
Mar 11 20:21:58 localhost kernel[0]: rooting via boot-uuid from /chosen: 75EA08F4-BAD2-3C02-875E-833ED17C142C
Mar 11 20:21:58 localhost kernel[0]: Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>
Mar 11 20:21:58 localhost kernel[0]: AppleSMU -- shutdown cause = 2
Mar 11 20:21:58 localhost kernel[0]: Got boot device = IOService:/MacRISC4PE/ht@0,f2000000/AppleMacRiscHT/pci@3/IOPCI2PCIBridge/k2-sata-root@C/AppleK2SATARoot/k2-sata@0/AppleK2SATA/ATADeviceNub@0/IOATABlockStorageDriver/IOATABlockStorageDevice/IOBlockStorageDriver/Maxtor 6L250M0 Media/IOApplePartitionScheme/Untitled@3
Mar 11 20:21:58 localhost kernel[0]: BSD root: disk0s3, major 14, minor 2
Mar 11 20:21:58 localhost kernel[0]: AppleSMU::PMU vers = 0x000d0092, SPU vers = 0x56, SDB vers = 0x01,
Mar 11 20:21:58 localhost kernel[0]: CSRHIDTransitionDriver::stop
Mar 11 20:21:58 localhost kernel[0]: [HCIController][start]
Mar 11 20:21:58 localhost kernel[0]: [AppleUSBHCIController][StopIsochPipeRead] - mInt1IsochInPipe = 0 - numReadsPending = 0
Mar 11 20:21:58 localhost kernel[0]: [start] 1
Mar 11 20:21:58 localhost kernel[0]: Jettisoning kernel linker.
Mar 11 20:21:58 localhost kernel[0]: Resetting IOCatalogue.
Mar 11 20:21:58 localhost kernel[0]: Matching service count = 0
Mar 11 20:21:58 localhost kernel[0]: Matching service count = 0
Mar 11 20:21:58 localhost kernel[0]: Matching service count = 0
Mar 11 20:21:58 localhost kernel[0]: Matching service count = 0
Mar 11 20:21:58 localhost kernel[0]: Matching service count = 0
Mar 11 20:21:58 localhost kernel[0]: SMU_Neo2_PlatformPlugin::initThermalProfile - entry
Mar 11 20:21:58 localhost kernel[0]: SMU_Neo2_PlatformPlugin::initThermalProfile - calling adjust
Mar 11 20:21:58 localhost kernel[0]: IPv6 packet filtering initialized, default to accept, logging disabled
Mar 11 20:21:58 localhost diskarbitrationd[59]: disk0s3 hfs 75EA08F4-BAD2-3C02-875E-833ED17C142C Macintosh HD /

machine runs great -- dock can be quirky

help,

frosty zoom

I don't know what that message means, whether it is serious or not, but since this is a new Mac, I would definitely call Apple about it.